#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>

// 函数声明
void print_help();
int pack_ota(const char *file, const char *type, const char *version);
int unpack_ota(const char *file);
int view_ota_info(const char *file);

int main(int argc, char *argv[]) {
    int opt;
    
    while ((opt = getopt(argc, argv, "hp:u:v:")) != -1) {
        switch (opt) {
            case 'h':
                print_help();
                break;
            case 'p':
                if (argc < optind + 2) {
                    fprintf(stderr, "Error: Missing arguments for -p\n");
                    return 1;
                }
                return pack_ota(optarg, argv[optind], argv[optind+1]);
            case 'u':
                return unpack_ota(optarg);
            case 'v':
                return view_ota_info(optarg);
            default:
                fprintf(stderr, "Unknown option: %c\n", opt);
                return 1;
        }
    }
    
    return 0;
}

void print_help() {
    printf("Usage: otapack.exe [options]\n");
    printf("Options:\n");
    printf("  -h                Show this help message\n");
    printf("  -p file type ver  Pack file into OTA package\n");
    printf("  -u file           Unpack OTA package\n");
    printf("  -v file           View OTA package info\n");
}

int pack_ota(const char *file, const char *type, const char *version) {
    // TODO: 实现打包逻辑
    printf("Pack: %s, type: %s, version: %s\n", file, type, version);
    return 0;
}

int unpack_ota(const char *file) {
    // TODO: 实现解包逻辑
    printf("Unpack: %s\n", file);
    return 0;
}

int view_ota_info(const char *file) {
    // TODO: 实现查看OTA文件信息逻辑
    printf("View info: %s\n", file);
    return 0;
}
